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Macap MXA - 3D Printed Doser Mod

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  • Macap MXA - 3D Printed Doser Mod

    Hi All,

    Have been setting up and calibrating my 3D printer for the past few days, and i'm finally happy it's printing well. I can now start on my bucket list of projects!
    To begin with, i wanted a small funnel to direct the grinds as they shoot out my Macap, and into the dosing chamber. The grinds shoot out at such a velocity they spread all throughout the doser and make quite a mess.

    Drew up a simple funnel/grind channel which should hopefully do the job. This is revision 1, currently on the printer as i write this... will share images once it's finished and installed, and share any changes i make along the way! Once it's working well, i'll upload the STLs for anyone else who wishes to print one too





    So many projects to come! Will share my 3D Printing coffee adventures as i go along
    Feedback, thoughts, etc all welcomed. This is my first attempt so far!

  • #2
    Neat, you won't be able to stop once you've started, 3D printers are so versatile.

    This mod would be a good for a lot of big doser grinders, they always seem to spray fines everywhere.

    A friend of mine uses his 3D printer for prototyping and generally making cool stuff, it's on the go most days printing stuff out. It's so vast the amount of things that you can do with it.

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    • #3
      I love it!
      ...also love the idea of sharing STL files. I'll make sure they are "allowed" attachments in a sec.

      What did you draw this with?


      (later edit... I have allowed STL as an upload type, you can also use ZIP if it's a package of files/documentation)

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      • #4
        Perfect, thanks Andy! I'll add them to Thingiverse too, so that's easy for others to find too.

        I drew using SketchUp, just the free version. Then there's a plugin (also free) that gives a direct .stl export.

        First print is almost ready!

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        • #5
          If we have enough interest in 3D parts we can also make a new section in the forum for them. It might encourage sharing and tweaking between people in the CS community even if they don't have a 3D printer, they might have some good ideas or design skills.

          I'll have to have another look at SketchUp, a friend recommended it a while ago and I installed it, opened it... and shuddered. (quietly closed it and didn't go back).

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          • #6
            Love it!


            Java "Ala Inspector Gadget Go go 3D printers go!" phile
            Toys! I must have new toys!!!

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            • #7
              Hot off the printer, and I already have a couple of tweaks to do, however... It is functional!

              Will do a couple of revisions and real world tests before sharing the files, but so far so good happy for a first attempt!

              Click image for larger version

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              Click image for larger version

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              • #8
                That's pretty cool, awesome work.

                How strong are these printed parts ?

                Cheers

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                • #9
                  Originally posted by artman View Post
                  How strong are these printed parts ?
                  I printed these out of PLA, and there isn't too much structural support in the prints - so this is quite flexible. However as it really only has to direct grinds, i don't imagine it'll be an issue.

                  For other prints, it's possible to make them surprisingly strong if designed properly, and i can also print ABS - So it's got quite a bit of flex too.

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                  • #10
                    May I ask which 3D printer you decided on?

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                    • #11
                      Agree not much strength needed in your application, was simply curious about the whole 3D printing thing. So many cool things you could do!

                      Cheers

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                      • #12
                        Originally posted by kwantfm View Post
                        May I ask which 3D printer you decided on?
                        I'm just using a really small basic one, Micro M3D. It was a Kickstarter project about 15months ago and finally delivered a week ago

                        The struggle is real now however, because i see the real potential so no doubt i'll buy a bigger one by the years end :|

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                        • #13
                          I don't own a printer but have had a coffee part (also for a grinder) printed by a company in the Rocks in Sydney. It's just a fantastic resource and it's otherwise so hard to get something bespoke done if you don't personally have wood- or metal working skills.

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                          • #14
                            nice work mate. I noticed you seem to have the stepless kit for the MXA. I also have the MXA and been wanting the stepless kit for them but thought they were only available for the M4?

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                            • #15
                              Originally posted by jjjones View Post
                              nice work mate. I noticed you seem to have the stepless kit for the MXA. I also have the MXA and been wanting the stepless kit for them but thought they were only available for the M4?
                              Good question, i bought this MXA second hand a few years ago and the previous owner had already converted it to stepless. Happy to take some pictures if you wanted to see how it was done, but other than that i'm not too sure sorry!

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